Add -h help and -V version flags
Add -h help and -V version flags

dokaptur/coreutils,filmor/coreutils,samfoo/coreutils,dennis/coreutils,jbcrail/coreutils,steveklabnik/coreutils,keunwoo/coreutils,retep998/coreutils,ebfe/coreutils,filmor/coreutils,retep998/coreutils,kball/coreutils,keunwoo/coreutils,Heather/coreutils,steveklabnik/coreutils,efuquen/coreutils,tempbottle/coreutils,dbrgn/coreutils,polapl/coreutils,ebfe/coreutils,tempbottle/coreutils,bundai223/coreutils,Shtong/coreutils,uutils/coreutils,Heather/coreutils,silvio/rust-coreutils,mauricio/coreutils,kevgeniy/coreutils,dbrgn/coreutils,bundai223/coreutils,polapl/coreutils,Shtong/coreutils,kevgeniy/coreutils,kwantam/coreutils,Shir0kamii/coreutils,mauricio/coreutils,jbcrail/coreutils,Arcterus/coreutils,dbrgn/coreutils,Arcterus/coreutils,Shir0kamii/coreutils,kwantam/coreutils,Gianbaoluo/coreutils,hexsel/coreutils,sshling/coreutils,efuquen/coreutils,kball/coreutils,dennis/coreutils,Gianbaoluo/coreutils,silvio/rust-coreutils,wimh/coreutils,uutils/coreutils,sshling/coreutils,hexsel/coreutils,samfoo/coreutils,uutils/coreutils,wimh/coreutils,beni55/coreutils,beni55/coreutils